#VU48752 Information disclosure

Published: 2020-12-01 | Updated: 2020-12-02

Vulnerability identifier: #VU48752

Vulnerability risk: Medium

CVSSv3: 4.6 [CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-4128


Exploitation vector: Network

Exploit availability: No

Vulnerable software:
HCL Notes
Client/Desktop applications / Office applications

Vendor: HCL Technologies


The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a lockout policy bypass issue in the ID Vault service. A remote attacker can perform a brute force attack against the ID Vault service and gain unauthorized access to sensitive information on the system.

Install updates from vendor's website.

Vulnerable software versions

HCL Notes: 9.0.0, 10.0.0, 11.0.0


External links

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

Latest bulletins with this vulnerability